Added build version support

cmd/root.go

@@ -23,6 +23,7 @@ THE SOFTWARE.
 package cmd
 
 import (
+	"github.com/aurc/loggo/internal/loggo"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -42,6 +43,7 @@ logs and a toolset to assist you tailoring the display format.`,
 // Initiate adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Initiate() {
+	loggo.BuildVersion = BuildVersion
 	err := rootCmd.Execute()
 	if err != nil {
 		os.Exit(1)

cmd/version.go

@@ -0,0 +1,44 @@
+/*
+Copyright © 2022 Aurelio Calegari, et al.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+var BuildVersion string
+
+// versionCmd represents the stream command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Retrieves the build version",
+	Long:  `Retrieves the build version.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println(BuildVersion)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}

internal/loggo/app.go

@@ -29,6 +29,8 @@ import (
 	"github.com/rivo/tview"
 )
 
+var BuildVersion string
+
 type LoggoApp struct {
 	appScaffold
 	chanReader reader.Reader

internal/loggo/splash_screen.go

@@ -58,10 +58,10 @@ func (t *SplashScreen) makeUIComponents() {
 	t.titleView = tview.NewTextView().SetDynamicColors(true).SetTextAlign(tview.AlignCenter)
 	t.subtitleView = tview.NewTextView().SetDynamicColors(true).SetTextAlign(tview.AlignCenter)
 	t.subtitleView.SetText(fmt.Sprintf(`
-[white:black:b]l'oGGo[::-]: [yellow::u]Rich Terminal User Interface for following JSON logs
+[white:black:b]l'oGGo %s[::-]: [yellow::u]Rich Terminal User Interface for following JSON logs
 [gray::-]Copyright © 2022 Aurelio Calegari, et al.
 [lightgray::u]https://github.com/aurc/loggo
-`)).SetBackgroundColor(tcell.ColorBlack)
+`, BuildVersion)).SetBackgroundColor(tcell.ColorBlack)
 }
 
 func (t *SplashScreen) renderLogo() {

main.go

@@ -24,6 +24,9 @@ package main
 
 import "github.com/aurc/loggo/cmd"
 
+var version string
+
 func main() {
+	cmd.BuildVersion = version
 	cmd.Initiate()
 }